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Method for quickly restoring ecological functions of coastal wetlands

An ecological function and wetland technology, applied in fertilization methods, botanical equipment and methods, shovels, etc., can solve the problems of coastal wetlands that take a long time to achieve rapid restoration of ecological functions, accelerated physical improvement, and long-lasting restoration effects Effect

Active Publication Date: 2014-02-12
OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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Problems solved by technology

[0003] In addition, although soil is a major component of coastal wetland ecosystems, it will take a very long time to recover the ecological functions of coastal wetlands without appropriate technical means after soil restoration.

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  • Method for quickly restoring ecological functions of coastal wetlands
  • Method for quickly restoring ecological functions of coastal wetlands

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Embodiment Construction

[0020] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] A method for quickly recovering the ecological functions of coastal wetlands, comprising the following steps:

[0022] 1) Preparation of biological fertilizer: sow the seeds of the coastal wetland pioneer species Suaeda salsa in the experimental field. When harvesting, excavate the Suaeda salsa plant, collect the root soil, mix it with the crushed plant debris, pack it into a bag and retting it to make biological fertilizer. fertilizer;

[0023] 2) Fertilize and plow the soil: In spring, sprinkle biological fertilizers on the degraded coastal wetland soil and plow the soil;

[0024] 3) Sowing Suaeda salsa to build colonies and transform the soil: After plowing the soil, sow Suaeda salsa seeds, Suaeda salsa will grow naturally and colonize for one year;

[0025] 4) Continue to transform and upgrade ...

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Abstract

The invention discloses a method for accelerating plant community succession, promoting wetland ecological system functions and quickly restoring ecological functions of coastal wetlands. The technical scheme is as follows: the method is characterized by comprising the steps as follows: 1) preparation of bio-fertilizer: seeds of suaeda of pioneer species of the coastal wetlands are sowed in large experimental fields, suaeda plants are dug, root soil is collected and mixed uniformly with crushed plant fragments, the mixture is bagged for water logging; 2) fertilization and soil ploughing: in spring, the bio-fertilizer is spread on the degraded soil of the coastal wetlands, and the soil is ploughed; 3) colonization of the sowed suaeda and soil transformation: the seeds of the suaeda are sowed after the soil is ploughed, and colonization lasts for one year; 4) continued transformation and upgrading of the soil: in the following spring, seeds of plants such as zoysia japonica, apocynum venetum and the like are sowed, so that transient plant communities of the wetlands grow quickly; and 5) natural restoration of the ecological functions of the wetlands.

Description

technical field [0001] The invention belongs to a restoration method for degraded coastal wetlands, in particular to a method for rapidly restoring ecological functions of coastal wetlands by accelerating plant community succession and promoting wetland ecosystem functions. Background technique [0002] The degradation of coastal wetlands is serious, and related restoration technologies are mainly carried out around the soil. Through physical, chemical, biological and other means, a series of pollution restoration of soil heavy metals, oil, pesticide residues, nitrogen and phosphorus, and soil desalination and other scientific research, engineering work. Existing scientific research and engineering work have made great progress in soil remediation, but there are still many problems. Among them, problems such as the generation of secondary pollutants and re-degradation after restoration are more prominent. [0003] In addition, although the soil is a major component of the ...

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Application Information

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IPC IPC(8): A01G1/00A01C21/00A01B49/06
Inventor 范萍萍高杨张述伟陈朝贵吴宁石小梅王茜吕婧张颖程岩张颖颖刘东彦褚东志王洪亮马然曹煊张国华杨小满张婷曹璐郭翠莲王昭玉吴炳伟
Owner OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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